Petra Kamstra

Where the 1480.1 rating comes from

From 48 matches played between 14 January 1991 and 15 July 1996, 47 of them rated, and from them alone. Every line below was written at computation time: nothing is recomputed to show this page.

How to read this

On the right: the change this match produced, then the value before → after. A line's arrival value is the next line's starting value, down to the starting rating given to every newcomer. A ±0.0 is a counted match that did not move the rating, a walkover for instance.

48 matches, from the most recent to the first

15/07/96 · WTA 1000 1996 · First round · detail
+13.11466.9 → 1480.1
beaten by Jana Kandarr
15/07/96 · WTA 1000 1996 · Second round · walkover · detail
±0.01466.9 → 1466.9
beaten by Nathalie Tauziat 1–2
24/06/96 · WTA Grand Slam 1996 · First round · detail
−3.41470.3 → 1466.9
beat Park Sung-hee 2–0
17/06/96 · WTA 1000 1996 · First round · detail
+14.01456.3 → 1470.3
beaten by Judith Wiesner 0–2
17/06/96 · WTA 1000 1996 · Second round · detail
−4.01460.4 → 1456.3
beat Laura Golarsa 2–0
10/06/96 · WTA 1000 1996 · First round · detail
+11.51448.9 → 1460.4
beaten by Brenda Schultz-McCarthy 0–2
10/06/96 · WTA 1000 1996 · Second round · detail
−2.81451.7 → 1448.9
beaten by Petra Langrová 1–2
29/05/96 · WTA Grand Slam 1996 · Second round · detail
−11.91463.6 → 1451.7
beat Laura Golarsa 2–0
27/05/96 · WTA Grand Slam 1996 · First round · detail
+11.81451.9 → 1463.6
beaten by Sonya Jeyaseelan 0–2
06/05/96 · WTA 1000 1996 · First round · detail
−14.71466.5 → 1451.9
beaten by Naoko Kijimuta 0–2
15/04/96 · WTA 1000 1996 · First round · detail
−10.91477.5 → 1466.5
beaten by Ann Grossman 1–2
08/04/96 · WTA 1000 1996 · First round · detail
−8.31485.8 → 1477.5
beaten by Wang Shi-ting 0–2
25/09/95 · WTA 1000 1995 · Quarterfinals · detail
−8.21494.0 → 1485.8
beat Jolene Watanabe 2–0
25/09/95 · WTA 1000 1995 · Second round · detail
+11.71482.2 → 1494.0
25/09/95 · WTA 1000 1995 · First round · detail
+13.11469.2 → 1482.2
beaten by Lindsay Davenport 0–2
28/08/95 · WTA Grand Slam 1995 · First round · detail
−2.51471.6 → 1469.2
30/06/95 · WTA Grand Slam 1995 · Fourth round · detail
−1.01472.6 → 1471.6
beat Naoko Sawamatsu 2–0
28/06/95 · WTA Grand Slam 1995 · Third round · detail
+20.61452.0 → 1472.6
beat Sandra Cacic 2–0
27/06/95 · WTA Grand Slam 1995 · Second round · detail
+14.21437.8 → 1452.0
26/06/95 · WTA Grand Slam 1995 · First round · detail
+12.71425.2 → 1437.8
beaten by Pam Shriver 1–2
12/06/95 · WTA 1000 1995 · Second round · detail
−8.31433.5 → 1425.2
beat Kim de Weille 2–0
12/06/95 · WTA 1000 1995 · First round · detail
+13.51420.0 → 1433.5
beat Yuka Yoshida 2–1
02/01/95 · WTA 1000 1995 · First round · detail
+14.71405.3 → 1420.0
beaten by Nana Miyagi 0–2
02/01/95 · WTA 1000 1995 · Second round · detail
−10.21415.6 → 1405.3
beaten by Larisa Savchenko-Neiland 0–2
06/06/94 · WTA 1000 1994 · Second round · detail
−7.61423.1 → 1415.6
beat Kerry-Anne Guse 2–0
06/06/94 · WTA 1000 1994 · First round · detail
+12.81410.3 → 1423.1
beaten by Judith Wiesner 0–2
23/05/94 · WTA Grand Slam 1994 · First round · detail
−3.61413.9 → 1410.3
beaten by Nancy Feber 1–2
25/04/94 · WTA 1000 1994 · First round · detail
−13.61427.4 → 1413.9
beaten by Natalia Soetrisno 0–2
18/04/94 · WTA 1000 1994 · First round · detail
−10.71438.2 → 1427.4
11/04/94 · WTA 1000 1994 · Second round · detail
+14.61423.5 → 1438.2
beaten by Sabine Appelmans 0–2
11/04/94 · WTA 1000 1994 · Quarterfinals · detail
−3.51427.1 → 1423.5
beat Misumi Miyauchi 2–1
11/04/94 · WTA 1000 1994 · First round · detail
+15.01412.1 → 1427.1
beaten by Zina Garrison-Jackson 1–2
08/03/94 · WTA 1000 1994 · Second round · detail
−2.81414.9 → 1412.1
07/03/94 · WTA 1000 1994 · First round · detail
+14.81400.0 → 1414.9
beaten by Silvia Farina Elia 0–2
28/02/94 · WTA 1000 1994 · First round · detail
−10.21410.3 → 1400.0
beaten by Christina Singer 1–2
07/02/94 · WTA 1000 1994 · First round · detail
−9.11419.3 → 1410.3
beaten by Julie Halard-Decugis 0–2
30/08/93 · WTA Grand Slam 1993 · First round · detail
−3.81423.1 → 1419.3
beaten by Nicole Bradtke 0–2
30/12/92 · WTA 1000 1992 · First round · detail
−6.61429.7 → 1423.1
beaten by Jessica Emmons 0–2
24/02/92 · WTA 1000 1992 · First round · detail
−25.51455.2 → 1429.7
beaten by Nathalie Housset Gilbert 1–2
13/01/92 · WTA Grand Slam 1992 · First round · detail
−24.21479.4 → 1455.2
beaten by Debbie Graham 0–2
12/08/91 · WTA 1000 1991 · Second round · detail
−19.31498.7 → 1479.4
beat Catherine Suire 2–1
12/08/91 · WTA 1000 1991 · First round · detail
+24.11474.6 → 1498.7
beaten by Mary Joe Fernandez 0–2
24/06/91 · WTA Grand Slam 1991 · First round · detail
−7.31481.8 → 1474.6
beaten by Amy Frazier 0–2
08/04/91 · WTA 1000 1991 · First round · detail
−16.81498.6 → 1481.8
beaten by Clare Wood 0–2
18/03/91 · WTA 1000 1991 · First round · detail
−28.21526.8 → 1498.6
beaten by Sabine Appelmans 0–2
18/01/91 · WTA Grand Slam 1991 · Third round · detail
−23.91550.7 → 1526.8
16/01/91 · WTA Grand Slam 1991 · Second round · detail
+27.11523.6 → 1550.7
beat Robin White 2–0
14/01/91 · WTA Grand Slam 1991 · First round · detail
+23.61500.0 → 1523.6

Only the matches the source publishes appear; what is missing is listed. The source gives the day, not the hour: two matches on the same day are ordered by a reproducible rule, which is not necessarily the real order.